    <!-- Standard button -->
    <button type="button" class="btn btn-default" onclick="location.href='/myblog/'">首页</button>

    <!-- Provides extra visual weight and identifies the primary action in a set of buttons -->
    <button type="button" class="btn btn-primary" onclick="location.href='/myblog_list/'">博客目录</button>

    <!-- Indicates a successful or positive action -->
    <button type="button" class="btn btn-success" onclick="location.href='/myblog_img/'">图片</button>

    <!-- Contextual button for informational alert messages -->
    <button type="button" class="btn btn-info">关于我</button>

    <!-- Indicates caution should be taken with this action -->
    <button type="button" class="btn btn-warning" onclick="location.href='/myblog_create/'">新建</button>

    <!-- Indicates a dangerous or potentially negative action -->
    <button type="button" class="btn btn-danger">Danger</button>
